1. Leak-proof, good air permeability, and not prone to cracking
2. Soft material, comfortable to wear, suitable for long-term use
3. High adaptability, easy to fit
4. Easy to install and disassemble
5. Size: about 7.5 x 2 cm
1. Leak-proof, good air permeability, and not prone to cracking
2. Soft material, comfortable to wear, suitable for long-term use
3. High adaptability, easy to fit
4. Easy to install and disassemble
5. Size: about 7.5 x 2 cm